Unlock EX Options
Meet the following conditions during "Arcade" mode to unlock special settings in "EX Options" menu:

Aircraft Count: 1 - Play a "Secret Stage" a total of 5 times.
Aircraft Count: 5 - Play a "Secret Stage" 1 time.
Aircraft Count: 9 - Play a "Secret Stage" a total of 3 times.
Aircraft Speed: Fast - Play 4 different branched stages (A/B).
Aircraft Speed: Slow - Play all 8 branched stages (A/B).
Armor: 1% - Get a down rate of over 70% a total of 20 times.
Armor: Half Damage - Get a down rate of over 70% a total of 10 times.
Armor: No Damage - Get a down rate of over 70% a total of 50 times.
Auto-Missiles: On - Reach ending A.
Climax Gauge Recovery: Fast - Activate "Climax Mode" a total of 50 times.
Climax Gauge Recovery: Free - Activate "Climax Mode" a total of 200 times.
Climax Gauge Recovery: Slow - Activate "Climax Mode" a total of 100 times.
Combo Window: Free - Get a combo totalling 3,000.
Combo Window: Long - Get a combo totalling 1,000.
Credits: 5 - Get a Game Over 1 time.
Credits: 7 - Get a Game Over 3 times.
Credits: 9 - Get a Game Over 5 times.
Credits: Free - Get a Game Over 10 times.
Display: No Info - Get a score of over 2,000,000 points in one game.
Display: No Smoke (All) - Get a score of over 1,000,000 points in one game.
Display: No Smoke (Explisions) - Get a score of over 800,000 points in one game.
Display: No Smoke (Missiles) - Get a score of over 600,000 points in one game.
Enemy Attack: 1 Level Down - Shoot down a total of 1,000 enemies.
Enemy Attack: 2 Levels Down - Shoot down a total of 3,000 enemies.
Enemy Attack: 3 Levels Down - Shoot down a total of 5,000 enemies.
Enemy Attack: No Attack - Shoot down a total of 10,000 enemies.
Gun Power: Down - Shoot down a total of 200 enemies with the gun.
Gun Power: Up - Shoot down a total of 50 enemies with the gun.
Lock-On: Auto - Reaching the ending 10 time.
Lock-On: Large Cursor - Reaching the ending 1 time.
Lock-On: No Cursor - Reaching the ending 5 time.
Missile Recovery: Free - Fire a total of 5,000 missiles.
Missile Recovery: Off - Fire a total of 2,000 missiles.
Secret Mission: Always - Play "Emergency Orders" a total of 20 times.